【文件属性】：
文件名称：液晶屏的显示
文件大小：3KB
文件格式：TXT
更新时间：2016-11-22 07:11:20
液晶屏
Lcd_rs bit p3.5
Lcd_rw bit p3.6
Lcd_e bit p3.7
Lcd_databus equ p0
Lcd_busy bit p0.7
Lcd_databuff equ 30h
Lcd_head equ 50h
Lcd_last equ 6fh
org 0
jmp main
org 1bh
jmp tclisr
org 30h
main:mov tmod,#00100000b
mov th1,#0F3h
mov tl1,#0F3h
setb ea
setb et1
setb tr1
mian0: mov c,p3.3
jnc lighton
lcdini:mov Lcd_databuff,#38h
lcall lcdwrite
mov Lcd_databuff,#01h
lcall lcdwrite
mov Lcd_databuff,#0fh
lcall lcdwrite
mov Lcd_databuff,#06h
lcall lcdwrite
mov Lcd_databuff,#14h
lcall lcdwrite
jmp mian0